200209720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2707}}^1$

素因数の和:2804

約数の個数: 48

約数和(自身を含む): 461361960

約数和(自身を除く): 261152240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1849, 2707, 3698, 5414, 7396, 9245, 10828, 13535, 14792, 18490, 21656, 27070, 36980, 54140, 73960, 108280, 116401, 232802, 465604, 582005, 931208, 1164010, 2328020, 4656040, 5005243, 10010486, 20020972, 25026215, 40041944, 50052430, 100104860, 200209720]

約数ペア:

[(1, 200209720), (2, 100104860), (4, 50052430), (5, 40041944), (8, 25026215), (10, 20020972), (20, 10010486), (40, 5005243), (43, 4656040), (86, 2328020), (172, 1164010), (215, 931208), (344, 582005), (430, 465604), (860, 232802), (1720, 116401), (1849, 108280), (2707, 73960), (3698, 54140), (5414, 36980), (7396, 27070), (9245, 21656), (10828, 18490), (13535, 14792)]